New Delhi, Feb 25 : The National Green Tribunal today directed the Meghalaya government to submit a coal mining plan with complete design and scientific methods to be adopted for safety of mines and its workers.

A bench headed by NGT Chairperson Swatanter Kumar, which was perusing an interim report by an expert committee on coal transportation in the state, also asked the Meghalaya government to file an affidavit regarding shortfall between declared and assessed coal quantity.